.loading4 {
  overflow: hidden;
  width: 150px;
  text-align: center;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.loading4 > div {
  width: 18px;
  height: 18px;
  border-radius: 100%;
  display: inline-block;
  background-color: rgba(0, 143, 255, 1);
  -webkit-animation: three 1.4s infinite ease-in-out;
  animation: three 1.4s infinite ease-in-out;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
}

.loading4 .three1 {
  -webkit-animation-delay: -0.3s;
  animation-delay: -0.3s;
}

.loading4 .three2 {
  -webkit-animation-delay: -0.15s;
  animation-delay: -0.15s;
}

@-webkit-keyframes three {
  0%,
  80%,
  100% {
    -webkit-transform: scale(0);
  }

  40% {
    -webkit-transform: scale(1);
  }
}

@keyframes three {
  0%,
  80%,
  100% {
    -webkit-transform: scale(0);
  }

  40% {
    -webkit-transform: scale(1);
  }
}
